def test_call_with_user_agent(self):
s = HttpService('host', 42, 'path', user_agent='test agent')
s._call = Mock(return_value=(200, 'data', 3))
s.call('body')
s._call.assert_called_with('body', {'User-Agent': 'test agent'})
def test_call_without_user_agent(self):
s = HttpService('host', 42, 'path')
s._call = Mock(return_value=(200, 'data', 3))
s.call('body')
s._call.assert_called_with('body', {})
